diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/southbridge.h | 7 | ||||
| -rw-r--r-- | src/soc/amd/stoneyridge/sata.c | 42 |
2 files changed, 28 insertions, 21 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/southbridge.h b/src/soc/amd/stoneyridge/include/soc/southbridge.h index 88e0225bbe..ad4040759c 100644 --- a/src/soc/amd/stoneyridge/include/soc/southbridge.h +++ b/src/soc/amd/stoneyridge/include/soc/southbridge.h @@ -247,6 +247,13 @@ #define GPE0_LIMIT 28 #define TOTAL_BITS(a) (8 * sizeof(a)) +/* SATA Controller D11F0 */ +#define SATA_MISC_CONTROL_REG 0x40 +#define SATA_MISC_SUBCLASS_WREN BIT(0) +/* Register in AHCIBaseAddress (BAR5 at D11F0x24) */ +#define SATA_CAPABILITIES_REG 0xfc +#define SATA_CAPABILITY_SPM BIT(12) + /* SPI Controller (base address in D14F3xA0) */ #define SPI_BASE_ALIGNMENT BIT(6) diff --git a/src/soc/amd/stoneyridge/sata.c b/src/soc/amd/stoneyridge/sata.c index 52932e27f0..f0dabe046b 100644 --- a/src/soc/amd/stoneyridge/sata.c +++ b/src/soc/amd/stoneyridge/sata.c @@ -17,40 +17,40 @@ #include <device/pci.h> #include <device/pci_ids.h> #include <device/pci_ops.h> +#include <device/pci_def.h> #include <soc/southbridge.h> - -static void sata_init(struct device *dev) +static void soc_enable_sata_features(struct device *dev) { - /************************************** - * Configure the SATA port multiplier * - **************************************/ - #define BYTE_TO_DWORD_OFFSET(x) (x/4) - #define AHCI_BASE_ADDRESS_REG 0x24 - #define MISC_CONTROL_REG 0x40 - #define UNLOCK_BIT (1<<0) - #define SATA_CAPABILITIES_REG 0xfc - #define CFG_CAP_SPM (1<<12) + u8 *ahci_ptr; + u32 misc_ctl, cap_cfg; - u32 *ahci_ptr = (void *)(uintptr_t)ALIGN_DOWN( - pci_read_config32(dev, AHCI_BASE_ADDRESS_REG), 256); u32 temp; /* unlock the write-protect */ - temp = pci_read_config32(dev, MISC_CONTROL_REG); - temp |= UNLOCK_BIT; - pci_write_config32(dev, MISC_CONTROL_REG, temp); + misc_ctl = pci_read_config32(dev, SATA_MISC_CONTROL_REG); + misc_ctl |= SATA_MISC_SUBCLASS_WREN; + pci_write_config32(dev, SATA_MISC_CONTROL_REG, misc_ctl); /* set the SATA AHCI mode to allow port expanders */ - *(ahci_ptr + BYTE_TO_DWORD_OFFSET(SATA_CAPABILITIES_REG)) - |= CFG_CAP_SPM; + ahci_ptr = (u8 *)(uintptr_t)ALIGN_DOWN( + pci_read_config32(dev, PCI_BASE_ADDRESS_5), 256); + + cap_cfg = read32(ahci_ptr + SATA_CAPABILITIES_REG); + cap_cfg |= SATA_CAPABILITY_SPM; + write32(ahci_ptr + SATA_CAPABILITIES_REG, cap_cfg); /* lock the write-protect */ - temp = pci_read_config32(dev, MISC_CONTROL_REG); - temp &= ~UNLOCK_BIT; - pci_write_config32(dev, MISC_CONTROL_REG, temp); + temp = pci_read_config32(dev, SATA_MISC_CONTROL_REG); + temp &= ~SATA_MISC_SUBCLASS_WREN; + pci_write_config32(dev, SATA_MISC_CONTROL_REG, temp); }; +static void sata_init(struct device *dev) +{ + soc_enable_sata_features(dev); +} + static struct pci_operations lops_pci = { /* .set_subsystem = pci_dev_set_subsystem, */ }; |